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from celery import Task
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class HookTask(Task):
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"""
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任务钩子： 监控任务的执行
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"""
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# 成功时执行
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def on_success(self, ret_val, task_id, args, kwargs):
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print('ret_val', ret_val)
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print(f'task id:{task_id} , arg:{args} , successful !')
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# 失败时执行
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def on_failure(self, exc, task_id, args, kwargs, error_info):
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print(f'task id:{task_id} , arg:{args} , failed ! errors: {exc}')
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# 任务重试时执行
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def on_retry(self, exc, task_id, args, kwargs, error_info):
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print(f'task id:{task_id} , arg:{args} , retry ! errors: {exc}')
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